| If anyone is looking how to getpid in Arc3.1, here's a patch that does it  Index: ac.scm
  ===================================================================
  --- ac.scm	(revision 1)
  +++ ac.scm	(working copy)
  @@ -1032,6 +1032,9 @@
   (define setuid (get-ffi-obj 'setuid #f (_fun _int -> _int)))
   (xdef setuid setuid)
 
  +(define getpid (get-ffi-obj 'getpid #f (_fun -> _int)))
  +(xdef getpid getpid)
  +
  |